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Microsoft Security Response CenterCVE-2026-67390

Microsoft SQL Server Information Disclosure Vulnerability

HighVendor CVSS 6.5 / 10 1 CVE Published Sep 8, 2026 at 7:00 AM UTC
Get alerts for Microsoft SQL Server 2017 for x64-based Systems (GDR)

Summary

Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network.

Products covered

  • Microsoft SQL Server 2017 for x64-based Systems (GDR)

  • Microsoft SQL Server 2019 for x64-based Systems (GDR)

  • Microsoft SQL Server 2017 for x64-based Systems (CU 31)

  • Microsoft SQL Server 2022 for x64-based Systems (GDR)

  • Microsoft SQL Server 2025 for x64-based Systems (GDR)

  • Microsoft SQL Server 2019 for x64-based Systems (CU 32)

  • Microsoft SQL Server 2022 for x64-based Systems (CU 26)

  • Microsoft SQL Server 2025 for x64-based Systems (CU8)

Remediation

Install KB5122775. Install KB5122773. Install KB5122774. Install KB5122771. Install KB5122770. Install KB5122772. Install KB5122768. Install KB5122769.

Vendor-listed fixes

  • 14.0.2130.4

  • 15.0.2190.7

  • 14.0.3550.4

  • 16.0.1200.5

  • 17.0.1135.8

  • 15.0.4490.9

  • 16.0.4275.2

  • 17.0.4085.5

CVEs in this advisory 1

CVE-2026-67390

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.

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